Command Line Interface
4-180
4
Example
This example disables the spanning tree algorithm for port 5.
spanning-tree cost
This command configures the spanning tree path cost for the specified interface.
Use the no form to restore the default.
Syntax
spanning-tree cost cost
no spanning-tree cost cost
cost - The path cost for the port. (Range: 1-200,000,000))
(Range: 0 for auto-configuration, 1-65535 for short path cost method
26
,
1-200,000,000 for long path cost method)
Console(config)#interface ethernet 1/5
Console(config-if)#spanning-tree spanning-disabled
Console(config-if)#
26. Use the spanning-tree pathcost method command on page 4-175 to set the path cost
method.
Table 4-3 Recommended STA Path Cost Range
Port Type IEEE 802.1D-1998 IEEE 802.1w-2001
Ethernet 50-600 200,000-20,000,000
Fast Ethernet 10-60 20,000-2,000,000
Gigabit Ethernet 3-10 2,000-200,000
Table 4-4 Recommended STA Path Cost
Port Type Link Type IEEE 802.1D-1998 IEEE 802.1w-2001
Ethernet Half Duplex
Full Duplex
Trunk
100
95
90
2,000,000
1,999,999
1,000,000
Fast Ethernet Half Duplex
Full Duplex
Trunk
19
18
15
200,000
100,000
50,000
Gigabit Ethernet Full Duplex
Trunk
4
3
10,000
5,000
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